Description
Buffer overflow in ACME micro_httpd, as used in D-Link DSL2750U and DSL2740U and NetGear WGR614 and MR-ADSL-DG834 routers allows remote attackers to cause a denial of service (crash) via a long string in the URI in a GET request.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | micro-httpd | No fix yet | — |
| Ubuntu 26.04 LTS | micro-httpd | No fix yet | — |
| Ubuntu 25.10 | micro-httpd | No fix yet | — |
| Ubuntu 24.04 LTS | micro-httpd | No fix yet | — |
| Ubuntu 22.04 LTS | micro-httpd | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | micro-httpd | No fix yet | — |
| Ubuntu 18.04 LTS | micro-httpd | No fix yet | — |
| Ubuntu 16.04 LTS | micro-httpd | No fix yet | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- ACME micro_httpd - Denial of Service EDB-34102 · dos · Jul 18, 2014
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 34102 exploit
- 68746 vdb-entry
- 109356 vdb-entry
- http://packetstormsecurity.com/files/127544/ACME-micro_httpd-Denial-Of-Service.html